/// <summary>
/// Creates the input channel
/// </summary>
/// <param name="subscription">The subscription parameters with which to create the channel</param>
/// <returns></returns>
public IAmAChannel CreateChannel(Subscription subscription)
{
KafkaSubscription rmqSubscription = subscription as KafkaSubscription;
if (rmqSubscription == null)
{
throw new ConfigurationException("We expect an KafkaSubscription or KafkaSubscription<T> as a parameter");
}
return(new Channel(
subscription.ChannelName,
_kafkaMessageConsumerFactory.Create(subscription),
subscription.BufferSize));
}
public void ReturnsTopicFromSource()
{
// Arrange
var sourceMock = new Mock <IKafkaSubscriptionSource <long, string> >(MockBehavior.Strict);
sourceMock.SetupGet(e => e.Topic).Returns("Some topic");
var sut = new KafkaSubscription <long, string>(sourceMock.Object);
// Act
var actual = sut.Topic;
// Assert
Assert.That(actual, Is.EqualTo("Some topic"));
}
public static async Task Main(string[] args)
{
Log.Logger = new LoggerConfiguration()
.WriteTo.Console()
.CreateLogger();
var host = new HostBuilder()
.ConfigureServices((hostContext, services) =>
{
var subscriptions = new KafkaSubscription[]
{
new KafkaSubscription <GreetingEvent>(
new SubscriptionName("paramore.example.greeting"),
channelName: new ChannelName("greeting.event"),
routingKey: new RoutingKey("greeting.event"),
groupId: "kafka-GreetingsReceiverConsole-Sample",
timeoutInMilliseconds: 100,
offsetDefault: AutoOffsetReset.Earliest,
commitBatchSize: 5)
};
//create the gateway
var consumerFactory = new KafkaMessageConsumerFactory(
new KafkaMessagingGatewayConfiguration {
Name = "paramore.brighter", BootStrapServers = new[] { "localhost:9092" }
}
);
services.AddServiceActivator(options =>
{
options.Subscriptions = subscriptions;
options.ChannelFactory = new ChannelFactory(consumerFactory);
}).AutoFromAssemblies();
services.AddHostedService <ServiceActivatorHostedService>();
})
.UseConsoleLifetime()
.UseSerilog()
.Build();
await host.RunAsync();
}
